Finding the Fourth Proportional to 38,484,635.80, 57,646,472.10 and 18,031,811.80
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Solution
The fourth proportional to 38,484,635.80, 57,646,472.10 and 18,031,811.80 is: 27,010,008.39
Step by Step Solution
- Step 1: Write the proportion equation
38,484,635.80 : 57,646,472.10 = 18,031,811.80 : x - Step 2: Convert to fraction form
38,484,635.80/57,646,472.10 = 18,031,811.80/x - Step 3: Cross multiply
38,484,635.80x = 57,646,472.10 × 18,031,811.80 - Step 4: Simplify right side
38,484,635.80x = 1,039,470,335,841,150.88 - Step 5: Solve for x
x = 1,039,470,335,841,150.88/38,484,635.80 - Step 6: Final answer
x = 27,010,008.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.